C++ String Library - shrink_to_fit



Description

It requests the string to reduce its capacity to fit its size.

Declaration

Following is the declaration for std::string::shrink_to_fit.

void shrink_to_fit();

C++11

void shrink_to_fit();

Parameters

none

Return Value

none

Exceptions

if an exception is thrown, there are no changes in the string.

Example

In below example for std::string::shrink_to_fit.

Open Compiler
#include <iostream> #include <string> int main () { std::string str (500,'x'); std::cout << "1. capacity of str: " << str.capacity() << '\n'; str.resize(10); std::cout << "2. capacity of str: " << str.capacity() << '\n'; str.shrink_to_fit(); std::cout << "3. capacity of str: " << str.capacity() << '\n'; return 0; }

The sample output should be like this −

1. capacity of str: 500
2. capacity of str: 500
3. capacity of str: 10
string.htm
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